Abacus
Par un écrivain mystérieux
Description
Cotter Abacus - RightStart™ Mathematics by Activities for Learning
By around 1880 most people had switched to this style from the older Chinese style. This was because one 5-bead and four 1-beads were considered
Large Abacus Soroban Japanese Virtual Classroom Math Teaching Aid Rare Size
Children get lots of hands-on, visual math practice with this colorful abacus! Featuring a solid hardwood base and frame, the abacus includes 10 rows
Wooden Abacus
Abacus Illustration Stock Illustrations – 6,923 Abacus Illustration Stock Illustrations, Vectors & Clipart - Dreamstime
Kids can count on this wooden calculator for years of play and learning! The Melissa & Doug Abacus is beautifully crafted with a solid hardwood base, and 100 brightly colored wooden beads. The sturdy frame holds 10 thick-coated wires with 10 colorful wooden beads on each -- 100 beads in all. Younger kids can slide the beads back and forth to explore different patterns and colors, while practicing their fine motor skills.
Melissa & Doug Classic Toy Abacus
Who Invented The Abacus (When and Why?)
Wooden Rainbow Abacus for Toddlers Rainbow Wooden Counting Bead Abacus Early Math Skills Add Subtract Abacus for Nursery Decor Sensory Toy Pink, Size
Teachers can COUNT on the abacus - Graduate School of Education - University at Buffalo
Abacus Counting Tool
Ideal for the classroom or the playroom, this classic toy gives kids lots of ways to explore numbers, colors, and patterns! Just slide the two
Add & Subtract Abacus
Large Rainbow Abacus in FSC Wood Light Pink
Size: 22 6 2CM. Beautiful and unique design. Material: Plastic.
13 Grades Abacus Beads Column Kid School Learning Tools Educational Math YEzo Cq
Old and ancient abacus made of wood and attached with a metal plate. On a white background It is a tool for calculating. This is China's first calculator. Stock Photo
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